{"action":"Upgrade curl to 8.21.0~rc3-1 or later.","affected":[{"fixed":"8.21.0~rc3-1","introduced":"0"}],"component":"curl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["8.21.0~rc3-1"],"id":"tcs_01M5NQD4AQ93RXYN9S6JS0Z4TT","modified_at":"2026-10-01T03:02:23.397448314Z","published_at":"2026-07-03T07:16:23.973Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-11856","https://security-tracker.debian.org/tracker/CVE-2026-11856"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-11856#Debian:14/curl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-11856"}],"summary":"Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then changing the origin to a different one (`hostB`) for a second transfer, reusing"}